| web | Allen NE, Appleby PN | Int J Cancer | 2013-02-01 | |
| web | Denis Campbell | The Guardian | 2015-03-24 | |
| web | Charles W. Schmidt | Environ Health Perspect | 2013-09-01 | |
| web | Jon Hurdle | Inside Climate News | 2023-08-16 | |
| web | Leah Schinasi and Maria E. Leo... | Int J Environ Res Public Healt... | 2014-04-23 | |
| web | Chan JM, Wang F | Cancer Causes Control | 2009-03-11 | |
| web | McCarty MF | Med Hypotheses | 2001-08-01 | |